Rated 5 out of 5 stars

le Decisions, Decisions ar Feabh. 7, 2012 ·

Update + Reply March 26, 2012: Got it! Just goes to show how long I've been using Lightning without bothering to check on new button possibilities. Thanks for the tip! Welcome to the 5-Star Club!
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Nearly almost perfect.
The only thing missing for me is a button for appointment searching - a feature which is only available via menu (i.e. not defined as a shortcut).

Léirmheas ar leagan níos sine den bhreiseán seo (1.5.2). 

le rsjtdrjgfuzkfg (Forbróir) ar Márta 25, 2012 ·

You can add such a button since Lightning 1.3 to the calendar-specific toolbar.